Retracing the ‘Toxic Flow’ exposé

Wednesday March 18 2020

Dr Nduhiu Gitahi, principal technologist in charge of laboratories at the University of Nairobi’s Public Health, Pharmacology and Toxicology department, shows one of the samples collected during the river pollution investigative project by the Nation Media Group, at his office on July 21, 2019. Forty-nine samples were collected. PHOTO | FILE | NATION MEDIA GROUP

Summary

Our sampling points were Ondiri springs in Kikuyu, Ndwaru, or Satellite, near Kawangware and Chiromo at the Museum Hill interchange near the Nairobi Museum.

We tested for the presence of 12 different metals of toxicological importance using the East African standard known as procedure 67.